Refrigerating apparatus



H. B. 10'Y.

REFHIGERATING APPARATUS. APPLICATION FILED 1AN.21. 191B.

1,342,964. Patented June s, 1920.

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H. -B. JOY.

REFRIGERATING APPARATUS.

APPLlcATloN HLED 1AN.21,1918.

1,342,964. Patented June 8, 1920.

H. B. JOY.

REFRIGERATING APPARATUS.

APPLICATION FILED ,IAN.2I, I9I8.

1,342,964. 4 Patented June 8, 1926.'

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UNITED STATES PATENT oFFIcE.

HENRY B. JOY, OF DETROIT, MICHIGAN,

ASSIGNOR, BY MESNE ASSIGNMENTS, T0

THE ISKO COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION 0F DELAWARE.

REFRIGERATING APPARATUS.

Specification of Letters Patent.

Patented June 8, 1920.

To all whom t may concern: Be it known that I, HENRY B. JOY, a citi- Zen of the United States, and resident of Detroit, Vayne county, State of Michigan, have invented certain new and useful Improvements in Refrigerating Apparatus, of which the following is a specification.

This invention relates to refrigerating apparatus and particularly to refrlgerators and the arrangement of compartments or chambers and the cooling coils therein.

Une of the obj ects of the present invention is to provide a refrigerator with an inner separately insulated chamber or compartment of novel construction and arrangement.

Another object of the invention is to provide a refrigerator with a separate inner compartment that is removable through an opening in the refrigerator.

Another object of the invention is to provide a refrigerator with a refrigerating machine of novel construction and arrangement.

Other objects of the invention will appear from the following description taken in connection with the drawings, which form a part of this specification, and in which:

Figure 1 is a front elevation and part vertical section of a refrigerating apparatus embodying this invention;

Fig. 2 is an enlarged side elevation and part vertical section showing the cooling coil and inner chamber of the refrigeratmg apparatus shown in Fig. 1;

Fig. 3 is a front view and part section of the coil and chamber shown in Fig. 2;

Fig. 4 is a horizontal sectional view on the line 4 4 of Fig. 2;

Fig. 5 is a perspective detail view of the door fastener for the chamber; and

Fig. 6 is a similar View of the door hinge.

Referring to the drawings, 10 indicates a refrigerator having packed or insulated side walls 11 and a similar top wall 12. As shown, the top wall 12 has an opening 18 formed therein through which an expansion coil unit 14 may be inserted. This expansion coil unit comprises av pair lof brackets 15 which are shown of plate form and separated from each other, as shown particularly in Figs. 2 and 4. It further comprises an expansion coil per se 16 which is supported by the brackets 15, and at the lower part of the brackets there is a compartment 17 into which some of the coils 16 extend.

In the -form illustrated the two brackets 15 are attached to a base 18 which rests upon the top wall 12 of the refrigerator, so that by lifting the base 18 upwardly the entire eX- pansion coil unit 14 may be removed from the refrigerator.

The other elements of a refrigerating apparatus may if desired be mounted upon said base 18. Thus there is shown in Fig. 1 a compressor 19 which is operated by an electric or other motor 20, and the starting and stopping of the motor may be controlled by a switch 21 which is shown diagrammatically as connected electrically with thermostats 22 and 28, the former of which is mounted in the refrigerator on one of the brackets 15 and the latter of which is mounted within the compartment 17. The wiring 24 and 25 is shown in Fig. 1.

The inlet side of the compressor 19 is connected to the exhaust end of the expansion coil 16 by a length of piping 26, and the outlet of the compressor 19 is connected to a condenser coil 27 shown somewhat diagrammatically and arranged if desired to be mounted upon the base 18. The opposite end of the condenser coil 27 is connected through a suitable expansion valve 28 to a pipe 29 which leads downwardly through the opening 13 and into the refrigerator. The lower end of the pipe 29 is connected to the part of the expansion coil 16 that is arranged within the compartment 17 so that the coolest part of the expansion coil will be arranged in that compartment.

The compartment 17 above referred to has its rear wall 30 formed by a part of one of the bracket plates 15, as shown particularly in Fig. 2, and the front wall of this compartment is partly formed by the other bracket 15 and partly by a hinged door 81. Preferably this door has a spring hinge 32 such as shown in Fig. 6, the spring 33 tending to keep the door yieldingly closed. There is also a spring latch 84 adapted to hold the door closed.

The upper and lower walls 35 and 36 respectively of the compartment 17 are shown in section in Fig. 2 and the side walls 37 are shown in Fig. 4. Some or all of these walls may be made of double thickness metal and packed to thus insulate the compartment from the other portion of the interior of the refrigerator, so that the temperature of this compartment may be lower than that of the other parts of the refrigerator for the purpose of freezing small pans of water placed therein. The compartment is preferably formed with two or more shelves 38 and 39 upon which water pans 40 may be placed, being inserted through the door opening.

It will be understood that the coils 1G that are not within the compartment 17 are preferably arranged above the compartment and supported by the brackets 15, these outside coils being sufficient to lower the temperature of the remainder of the refrigerator to a sufficient degree to` preserve ordinary foods. By thus having the coolest part of the expansion coil 16 within the compartment 17 the temperature of the said coinpartment is more easily reduced below the freezing point.

By arranging thermostats 22 and 23 both in the refrigerator proper'an'd in the compartment 17 respectively, too high temperature in either space will cause the starting up of the compressor mechanism, thus keep-V ingl both spaces at or below a given temperature.

It will be understood that my invention is not limited to the details of construction shown and other forms may be used without departing from the spirit or scope of the invention.

Having thus described my invention, what I claim and desire to secure by Letters Patent is 1. In a refrigerating apparatus,the combination with a refrigerator having insulating walls, of a chamber within said refrigerator having walls insulating it from the interior of the refrigerator, and a refrigerating machine having a vcooling coil in said refrigerator, part of said coil being inside and part outside of said chamber.

'2. In a refrigerating apparatus, the combination with a refrigerator having insulating walls, of a chamber within said refrigerator having walls insulating' it from the interior of the refrigerator, and a refrigerating machine having a cooling coil running into said refrigerator, part of the coil adjacent the inlet end thereof being inside of said chamber.

3. In a refrigerating apparatus, the combination with a refrigerator having insulating walls, of a chamber within said refrigerator having walls insulating it from the interior of the refrigerator, and a refrigerating machine having a cooling coil ruiming into said refrigerator, the coolest part of said coil being arranged within said chamber.

4. In a refrigerating apparatus, the combination with a refrigerator having insulating walls and an opening in the top of said refrigerator, of a refrigerating machine resting on top of said refrigerator and covering said opening, said machine having a cooling coil suspended in said refrigerator, and a chamber supported in said refrigerator by said machine and having some of the pipes of said coil arranged therein.

5. In a refrigerating apparatus, the combination with a refrigerator having insulating walls and an opening in the top of said refrigerator, of a refrigerating machine resting on top of said refrigerator and covering said opening, said machine having a cooling coil suspended in said refrigerator, supporting brackets extending downwardly from said machine intothe refrigerator, and a chamber supported by said brackets and having some of the pipes of said coil arranged therein.

6. In a refrigerating apparatus, the combination with a refrigerator having insulating walls and an opening in the top of said refrigerator, of a refrigerating machine resting on top of said refrigerator 4and covering said opening, said machine having a cooling coil suspended in said refrigerator, supporting brackets extending downwardly from saidl machine into' the refrigerator, and an insulated chamber supported by said brackets within the refrigerator and having the cooler parts of said Coil arranged therein.

7. In a refrigerating apparatus, the combination with a refrigerator having an opening in its top, of a refrigerating machine including a base covering said opening, supporting brackets extending downwardly from said base into the refrigerator, `an insulated chamber supported by said brackets and removable therewith, and a cooling coil connected'to said machine and arranged in said chamber.

8. In a refrigerating apparatus, the combination with a refrigerator having an opening in itstop, of a refrigerating machine including a base covering said opening, supportingbrackets extending downwardly from said base into the refrigerator, an insulated chamber supported by said brackets and removable therewith, and a 'cooling coil connected to said machine and arranged partly within and partly outside of said chamber.

9. In a refrigerating apparatus, the combinationV with a refrigerator having an opening in its top, of a refrigerating machine including a base covering'said `opening,supporting brackets extending downwardly from said base into the refrigerator, and an insulated chamber supported `by said brackets and removable therewith.

10. In 4a refrigerating apparatus, the combination with a refrigerator having an opening in its top, of a refrigerating machine including a base covering said opening, 'supporting brackets extending downwardly from said base into the refrigerator, an insulator chamber within said refrigerator, and a cooling coil connected to said machine and arranged in said chamber, said chamber and coil being supported by said brackets. Y

11. In a refrigerating apparatus, the combination with a refrigerator having an opening, of a refrigerating machine having a base covering said opening, separated brackets in the form of plates secured to said base and extending into said refrigerator, a chamber arranged between and supported in the refrigerator by said brackets, and a cooling coil connected to said machine and havin@r some of its pipes in said chamber.

l2. n a refrigerating apparatus, the combination with a refrigerator having an opening, of a refrigerating machine having a base covering said opening, separated brackets in the form of plates secured to said base and extending into said refrigerator, a chamber arranged between and supported in the refrigerator by said brackets, said brackets forming parts of the front and rear Walls of said chamber, and a cooling coil in said chamber and refrigerator.

13. In a refrigerating apparatus, the combination with a refrigerator, of a separately insulated preserving chamber within the refrigerator and having a door covered opening, cooling coils arranged along the top and bottom inside of said chamber, and shelves for supporting water pans between said coils.

In testimony whereof I affix my signature.

' HENRY B. J OY. 

